Article ID Journal Published Year Pages File Type
4599217 Linear Algebra and its Applications 2015 13 Pages PDF
Abstract

For certain tridiagonal matrices of small size, we give a complete description of flat portions on the boundary of their numerical range. We also discuss the conditions for these numerical ranges to be elliptical.

Keywords
Related Topics
Physical Sciences and Engineering Mathematics Algebra and Number Theory
Preview
On the numerical ranges of some tridiagonal matrices
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